+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   214931 (2007 VT61) Classification: Main-belt Asteroid          SPK-ID: 2214931 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0650732567401143 6.9483e-08   a 2.25796157071801 1.4679e-08 au q 2.111028657717365 1.5712e-07 au i 8.048525853760724 6.6064e-06 deg node 47.30677618023615 3.7142e-05 deg peri 191.425264998083 6.0914e-05 deg M 72.31600582988717 4.9297e-05 deg tp 2458751.553986264920 (2019-Sep-25.05398626) 0.00016977 TDB period 1239.290858450454 3.39 1.2085e-05 3.309e-08 d yr n .2904887077518876 2.8326e-09 deg/d Q 2.404894483718654 1.5634e-08 au   Orbit Determination Parameters    # obs. used (total)      239      data-arc span      6866 days (18.80 yr)      first obs. used      2000-10-06      last obs. used      2019-07-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61764      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 03:17:00   Additional Information  Earth MOID = 1.0998 au   Jupiter MOID = 2.58044 au   T_jup = 3.606  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.7   n/a MPO433406   214931 (2007 VT61)          Discovered 2007-Nov-01 by Spacewatch at Kitt Peak Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-13 03:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin